JACC Clin Electrophysiol
Dr. Ian Robert Barrows, MD
NPI1487017604PAC ID7214263334
- Medicare services, 2020
- 26
- Part D claims, 2024
- 59
- Publications
- 13
- Hospital affiliations
- 1
- Industry payments
- $23,703
- Practice address
- 1221 Mercantile Lane, Largo, MD 20774
- Practice phone
- Call (301) 300-8733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ambulatory Surgery Center at Largo Medical Center
Surgery Center - Medicare-Certified · Largo, Maryland
Find Dr. Barrows' professional email, personal email and mobile number
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Dr. Ian Robert Barrows is a cardiac electrophysiologist in Upper Marlboro, Maryland
Dr. Barrows practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland.
Dr. Barrows' NPI, 1487017604, was assigned on April 4, 2016. Dr. Barrows graduated from George Washington University School of Medicine in 2016. Dr. Barrows holds Virginia license 0116029185.
NPI and contact details
- NPI
- 1487017604NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214263334
- NPI enumeration date
- April 4, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 300-8733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ian Robert Barrows practices at Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland
Dr. Barrows' primary practice is Ambulatory Surgery Center at Largo Medical Center, at 1221 Mercantile Lane, Largo, MD 20774. The practice phone is (301) 300-8733.
- Ambulatory Surgery Center at Largo Medical Center1221 Mercantile Lane, Largo, MD 20774Phone(301) 300-8733
Source: Dmand AI Affiliation Data
Dr. Ian Robert Barrows is affiliated with 3 sites of care and 1 medical group
Dr. Barrows' primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. Dr. Barrows is also affiliated with MedStar Washington Hospital Center. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Barrows to 1 more dialysis center, named with a free account.
Ambulatory Surgery Center at Largo Medical CenterPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ian Robert Barrows' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barrows practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ambulatory Surgery Center at Largo Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ian Robert Barrows is one of 52 cardiac electrophysiologists in Maryland
Clinical cardiac electrophysiology is Dr. Barrows' primary specialty in the NPI Registry, under taxonomy code 207RC0001X. Dmand AI has Dr. Barrows' licenses on file in 2 states: Virginia and Maryland.
Specialties and state licenses
- Clinical cardiac electrophysiology, VirginiaPrimary
- Cardiovascular disease, Maryland
Cardiac electrophysiologists near Dr. Barrows
Counts of cardiac electrophysiologists with a Dmand AI profile, by place and practice. Each opens the list.
52cardiac electrophysiologists in Maryland
2cardiac electrophysiologists in Upper Marlboro
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ian Robert Barrows billed Medicare for 26 services in 2020
CMS data shows 26 Medicare services from Dr. Barrows across 1 procedure code in 2020. Medicare paid $2,818 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202026
Paid by Medicare$2,818
Procedure codes1
Dr. Barrows' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 232020: 2613%
Dr. Barrows compared with the Maryland median for cardiac electrophysiologists, 2020
- Dr. Barrows
- Maryland median
- Medicare services
- 26vs 2,72699% below
- Part D claims
- 86vs 80789% below
Medians across 51 cardiac electrophysiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Barrows' most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barrows and other cardiac electrophysiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ian Robert Barrows' patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Barrows' median patient age at 70, with 41% women.
Dr. Barrows' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women41%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Ian Robert Barrows wrote 59 Medicare Part D claims in 2024
In 2024, Dr. Barrows wrote 59 Medicare Part D claims for 33 patients. 71% of them were for generic drugs. They cover 5 drugs, with $61,249 in total drug cost. In 2022, CMS named 24 claims across 2 drugs.
Part D claims, 202459
Drugs named by CMS5
Total drug cost$61,249
Part D patients33
Dr. Barrows' Part D claims by kind of drug, 2024
- Generic42 claims71%
- Brand-name17 claims29%
Dr. Barrows' most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 242023: 86258%
Drugs named by CMS: 5 in 2023, 2 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ian Robert Barrows takes part in Medicare
Dr. Barrows accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ian Robert Barrows has 13 publications on record
Dmand AI links 13 papers to Dr. Barrows, published from 2014 to 2025. 2015 was the busiest year, with 4. The most frequent topics are Renal Insufficiency, Chronic, Cardiovascular Diseases and Gastrointestinal Microbiome. Dr. Barrows has published most often in J Am Heart Assoc. Dr. Barrows' most frequent co-authors are Dominic Raj, MD, Alan S. Go, MD and Muredach P. Reilly, MD.
Papers13
Years published2014 to 2025
Dr. Barrows' papers by year, 2014 to 2025
Topics Dr. Barrows writes about most
- Renal Insufficiency, Chronic
- Cardiovascular Diseases
- Gastrointestinal Microbiome
- Kidney Failure, Chronic
Dr. Barrows' most frequent co-authors
Recent publications by Dr. Barrows
AlbuminsCardiovascular DiseasesCreatinine
Administration, OralAortaApolipoproteins E
See who Dr. Barrows researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barrows works with, so you can find a warm path to the right cardiac electrophysiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ian Robert Barrows received $23,703 in industry payments from 2021 to 2025
CMS Open Payments shows 213 general payments to Dr. Barrows from 13 drug and device companies from 2021 to 2025. Travel and lodging make up the largest share, 49% of the total. Abbott Laboratories paid the most, $8,603.
General payments to Dr. Barrows by program year, 2021 to 2025
General payments to Dr. Barrows by kind, 2021 to 2025
$23.7Kin total
- Travel and lodging$11,57649%
- Food and beverage$10,87246%
- Education$1,2545%
Companies that paid Dr. Barrows the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ian Robert Barrows graduated from George Washington University School of Medicine
Dr. Barrows graduated from George Washington University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ian Robert Barrows's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ian Robert Barrows
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ian Robert Barrows' NPI number?
Dr. Ian Robert Barrows' NPI number is 1487017604. It was assigned on April 4, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Ian Robert Barrows?
Dr. Ian Robert Barrows is a cardiac electrophysiologist in Upper Marlboro, Maryland. The primary specialty in the NPI Registry is Clinical Cardiac Electrophysiology Physician (taxonomy code 207RC0001X).
Where does Dr. Ian Robert Barrows practice?
Dr. Barrows practices at 1221 Mercantile Lane, Largo, MD 20774. Dr. Barrows' primary practice is Ambulatory Surgery Center at Largo Medical Center in Largo, Maryland. Dmand AI also links Dr. Barrows to 1 dialysis center.
What is Dr. Ian Robert Barrows' office phone number?
The practice phone on file for Dr. Barrows is (301) 300-8733.
What is Dr. Ian Robert Barrows' medical license number?
Dr. Barrows holds Virginia license 0116029185, one of the licenses on file in 2 states.
Which states has Dr. Ian Robert Barrows been licensed in?
Dmand AI has state licenses on file for Dr. Barrows in Virginia and Maryland.
Which hospitals is Dr. Ian Robert Barrows affiliated with?
Dr. Barrows is affiliated with MedStar Washington Hospital Center.
What medical group is Dr. Ian Robert Barrows part of?
Dr. Barrows is linked to Mid-Atlantic Permanente Medical Group.
Does Dr. Ian Robert Barrows accept Medicare?
Yes. CMS data shows Dr. Barrows billed Medicare for 26 services in 2020, and Dr. Barrows accepts Medicare assignment.
What services does Dr. Ian Robert Barrows bill to Medicare?
In 2020, Dr. Barrows' most billed Medicare services were hospital inpatient care (99222).
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Where did Dr. Ian Robert Barrows go to medical school?
Dr. Barrows graduated from George Washington University School of Medicine in 2016.
What drugs does Dr. Ian Robert Barrows prescribe most?
In 2023 Medicare Part D data, Dr. Barrows' most prescribed drugs by claims were Metoprolol Succinate, Jardiance and Entresto.
Has Dr. Ian Robert Barrows received payments from drug or device companies?
CMS Open Payments shows $23,703 in general payments to Dr. Barrows from 13 companies from 2021 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Ian Robert Barrows been practicing?
Dr. Barrows graduated from medical school in 2016, 10 years ago.
Does Dr. Ian Robert Barrows do research?
Dmand AI links 13 publications to Dr. Barrows, published from 2014 to 2025.
Who does Dr. Ian Robert Barrows publish with?
Dr. Barrows' most frequent co-authors are Dominic Raj, MD (11 shared papers), Alan S. Go, MD (2 shared papers) and Muredach P. Reilly, MD (2 shared papers).
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